- 137 Films
- Abbott
- Adler Planetarium
- After School Matters
- Alberto Culver
- American Association for the Advancement of Science (AAAS)
- American Association of Physics Teachers (AAPT)
- American Chemical Society – Chicago Section
- American Indian Center
- American Society of Civil Engineers – Illinois Section
- American Society of Safety Engineers
- American Veterinary Medical Association
- Archdiocese of Chicago
- Argonne National Laboratory
- Arlington Heights Memorial Library
- Art Institute of Chicago
- ASM International – Chicago Chapter
- Association for Women in Science Chicago Chapter (AWIS)
- Audobon Chicago Region
- Baxter International
- Big Brothers Big Sisters of Lake County
- The Boeing Company
- Boys & Girls Club of Chicago
- Bret Harte School
- Brookfield Zoo (Chicago Zoological Society)
- By the Hand Club for Kids
- Chicago Council on Science & Technology (C2ST)
- Cedar Concepts Corporation
- Center for Neighborhood Technology
- Centre East
- Cernan Earth and Space Center
- Challenger Learning Center for Science and Technology
- Chicago Amplified from Chicago Public Radio
- Chicago Audubon Society
- Chicago Botanic Garden
- Chicago Children’s Museum
- Chicago Conservation Corps
- Chicago Department of Aviation
- Chicago Executive Airport
- Chicago History Museum
- Chicago Humanities Festival
- Chicago Park District
- Chicago Public Library
- Chicago Public Schools
- Chicago Section, American Association of Physics Teachers (CSAAPT)
- Chicago State University
- The Chicago Temple
- Chicago Wilderness
- Chicago Youth Programs
- City of Chicago, Department of Cultural Affairs
- City of Chicago, Department of Environment
- City of Chicago, Mayor’s Office of Special Events
- Clear Channel Radio Chicago
- Columbia College
- Community Media Workshop
- CPS Student Science Fair, Inc.
- Cryogenic Society of America
- Cubic Vision, Inc.
- DePaul University
- Douglas Park Youth Services
- Dunes Learning Center
- DuSable Museum of African American History
- Ela Area Public Library
- Elgin Public Museum
- Environmental Protection Agency
- Evanston Public Library
- Experiencia
- Exponent, Inc.
- Facets Multi-media, Inc.
- Federal Bureau of Investigation, Chicago Division
- Fermi National Accelerator Laboratory
- Field Museum
- FIRST Robotics (Illinois)
- Forest City Science and Technology Group
- Forest Preserve District of Cook County
- Francis W. Parker School
- Friends of the Chicago River
- Garfield Park Conservatory Alliance
- Gary Comer Youth Center
- Gas Technology Institute
- Gateway Traveler Information System
- Geocachers of Northeastern Illinois
- Germano-Millgate Community Center
- Girl Scouts of Greater Chicago and Northwest Indiana
- Glen Ellyn Public Library
- Goodman Theatre
- Harold Washington College
- Hu-Friedy Manufacturing Co, Inc.
- iBIO Institute
- Illinois Department of Transportation, District 1
- Illinois Computes
- Illinois Destination ImagiNation
- Illinois Engineering Council
- Illinois Humanities Council
- Illinois Institute of Technology
- Illinois Mathematics and Science Academy
- Illinois Science Council
- Illinois Science Olympiad
- Illinois Science Teachers Association
- Illinois State Board of Education
- Illinois State Museum Chicago Gallery
- Illinois State Physics Project (ISPP)
- Illinois Tool Works Inc.
- Illinois Wing, Civil Air Patrol
- Illinois-Indiana Sea Grant
- Institute of Electrical and Electronics Engineers, Chicago Section
- IEEE Communications Society
- IEEE Electromagnetic Compatibility Society
- IEEE Magnetics Society
- Institute of Food Technologists
- Instituto Cervantes of Chicago
- International Museum of Surgical Science
- Juan Diego Community Center
- Kartemquin Educational Films
- KIDSCOM.com
- Knowledge Learning Corporation
- Lake Bluff Public Library
- Lake County Forest Preserves
- Lincoln Park Zoo
- Loyola University Chicago
- Loyola University Museum of Art (LUMA)
- The John D. and Catherine T. MacArthur Foundation
- MAKE Magazine
- Marcus Garvey School
- Meyer Tool & Manufacturing Inc.
- Microsoft Corporation
- Miles Davis Magnet Academy
- Millennium Park – Lurie Garden
- Morton Arboretum
- Morton Grove Public Library
- Motorola, Inc.
- Museum of Contemporary Art
- Museum of Science & Industry
- National Geographic Society
- National Museum of Mexican Art
- National Weather Service
- The Nature Conservancy in Illinois
- Newberry Library
- Northeast Illinois Council, Boys Scouts of America
- Northeastern Illinois University
- Northrop Grumman Corporation
- Northwestern University
- Oak Lawn Public Library
- Openlands Project
- Oriental Institute Museum
- Peggy Notebaert Nature Museum
- Portland Cement Association (PCA) and CTL Group
- Project Exploration
- Rehabilitation Institute of Chicago
- Resolution Digital Studios
- Rickover Jr. High School
- Rolling Meadows High School, FIRST Robotics Team
- Roosevelt University
- Roosevelt University GEAR UP
- Rush University Medical Center / SAME Network
- Sawyer School
- School of the Art Institute
- Science Chicago
- Science Fair Central
- Science Olympiad
- SciTech Hands-On Museum
- The Searle Funds and the Chicago Community Trust
- Shedd Aquarium
- Shure Incorporated
- Sigma Xi Chapter 22, Northwestern University
- Skokie Public Library
- Society of Cosmetic Chemists
- Society of Technical Communication, Chicago Chapter
- Society of Women Engineers – Chicago Regional Section
- South Chicago YMCA
- Spring Valley Nature Center (Schaumburg Park District)
- Structural Engineers Association of Illinois
- Swedish Covenant Hospital
- Uncommon Ground
- The University of Chicago
- The University of Chicago, WHPK
- University of Illinois at Chicago, UIC
- University of Illinois Extension
- University of Illinois at Urbana-Champaign
- Vernon Area Public Library
- Virtual Surfaces, Inc.
- Western Illinois University
- Wired Magazine
- Wonder Works, A Children’s Museum in Oak Park
- Working Bikes Cooperative
- Young Chicago Authors
- YWCA TechGYRLS
- Zygon Center for Religion and Science
